Feeding device of cutting machine

Abstract

The utility model discloses a feeding device of a cutting machine, the cutting machine comprises a machine body and a portal frame movably arranged on the machine body, the feeding device is installed on the portal frame and used for transferring materials to the machine body, a cutter used for cutting the materials is installed on the portal frame, the feeding device comprises a suction structure, a lifting structure and a material suction structure, the material suction structure is installed on the lifting structure so as to be driven by the lifting structure to move up and down, the material suction structure comprises an installation base and a sponge material suction disc arranged on the installation base, and the sponge material suction disc is provided with a plurality of material suction holes. The suction structure is used for sucking air in the material suction holes and forming the negative pressure area, the materials are lifted through the suction force of the negative pressure area to the materials, the stress contact area between the materials and the sponge material suction disc is large, and the possibility of the stress concentration phenomenon of the materials is reduced; and moreover, the suction force can be changed by controlling the suction structure, so that the lifting requirements of different materials are met, and the adaptability of the feeding device is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of feeding equipment, and specifically relates to a feeding device for a cutting machine. Background Art

[0002] As a common material processing equipment, the cutting machine has been widely used in many fields dominated by manufacturing. Before cutting the material, the material needs to be sent to the body of the cutting machine. In traditional technology, the staff usually manually transports the material to the preset position, which is time-consuming and labor-intensive. In addition, the staff needs to accurately align the loading position, which has low loading efficiency and affects the continuity of material processing. In order to solve this technical problem, some cutting machines are equipped with auxiliary loading equipment, which includes clamps. The clamps are used to clamp the material and send the material to the preset position. Due to the small contact area between the clamp and the material, there is a risk of unstable clamping, which affects the loading efficiency of the material. Utility Model Content

[0003] The present application provides a method for solving the technical problems of difficulty in feeding a cutting machine and low feeding efficiency in the traditional technology.

[0004] The technical solution adopted in this application is:

[0005] A feeding device of a material cutting machine, the material cutting machine includes a fuselage and a gantry movably arranged on the fuselage, the feeding device is installed on the gantry and is used to transfer materials to the fuselage, the gantry is installed with a tool for cutting materials, the feeding device includes a suction structure, a lifting structure and a suction structure, the suction structure is installed on the lifting structure so that it can move up and down driven by the lifting structure, the suction structure includes a mounting seat and a sponge suction tray arranged on the mounting seat, the sponge suction tray is provided with a plurality of suction holes, the mounting seat is provided with exhaust holes connected to the plurality of suction holes, the suction structure is connected to the exhaust holes so that the suction structure can suck the material through the suction holes and adsorb the material on the sponge suction tray.

[0006] The feeding device of the cutting machine of the present application also includes the following additional technical features:

[0007] A suction cavity connecting the air extraction hole and the suction hole is formed between the mounting seat and the sponge suction plate, and a one-way valve corresponding to each of the suction holes is installed on the mounting seat, and the one-way valve is configured to allow the suction hole to conduct external atmosphere to the suction cavity in a one-way manner.

[0008] The one-way valve includes a valve housing, a valve core, and a spring arranged between the valve housing and the valve core. The valve core can open the suction hole and compress the spring to connect the suction hole to the exhaust hole. The spring can drive the valve core to reset toward a position that closes the suction hole.

[0009] The sponge suction tray is overall constructed as a circular or rectangular structure, and the plurality of suction holes are arranged in an array on the sponge suction tray.

[0010] The mounting seat is provided with a mounting cavity, the bottom of the mounting cavity is open, the sponge suction plate is installed at the opening, the top of the mounting seat is provided with a threaded hole, the lifting structure is threadedly connected to the threaded hole, and the exhaust hole is provided on the side of the mounting seat.

[0011] The lifting structure is configured as a cylinder, and the mounting seat is connected to a piston rod of the cylinder.

[0012] It also includes a bearing bracket, which is fixedly installed on the side of the gantry, and the lifting structure is installed on the bearing bracket.

[0013] Along the length direction of the gantry, a plurality of the feeding devices are installed on the bearing bracket at intervals.

[0014] The bearing bracket is constructed as a U-shaped structure extending in the horizontal direction, and both ends of the bearing bracket are connected to the gantry. The bearing bracket is installed with an L-shaped seat body, and the L-shaped seat body includes a vertical plate and a horizontal plate welded together, the vertical plate is welded to the bearing bracket, and the lifting structure is installed on the horizontal plate.

[0015] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0016] 1. The feeding device of the cutting machine of the present application includes a suction structure, a lifting structure and a suction structure. When the material needs to be transported, the feeding device is moved to the top of the material by the gantry, and then the suction structure is driven downward by the lifting structure until the sponge suction plate abuts against the top surface of the material. Then, the air in the suction hole is extracted by the suction structure. As the air in the suction hole gradually decreases, the internal pressure gradually increases, and the sponge suction plate is deformed toward the inside of the suction hole, and a plurality of negative pressure areas are formed between the material and the sponge suction plate, so that the material receives the upward The suction force formed by the negative pressure area lifts the material, and the material is driven by the gantry and the lifting structure to move in the horizontal and vertical directions. When the material reaches the top of the preset position driven by the gantry, it is lowered to the fuselage driven by the lifting structure, thereby completing the material loading work; the entire loading process does not require manual assistance, and mechanical equipment can be used to complete the material transfer. Moreover, the travel trajectory of the loading device can be preset in advance to achieve accurate judgment of the material lowering position, eliminating the operation of accurately aligning the material lowering position, which helps to improve the loading process. The continuity of the process greatly improves the feeding efficiency. In addition, since the entire feeding process is completed by the feeding device, the material will not touch the other components of the cutting machine due to human factors during the transfer process, which helps to improve the feeding stability of the material and further provides a guarantee for the continuity of feeding. Furthermore, the present application uses a suction structure to extract the air in the suction hole and form a negative pressure zone, and the suction force of the negative pressure zone on the material is used to lift the material. Compared with the traditional technology of clamping the material by clamping or other structures to lift the material, the application of the material and the sponge suction plate in the present application is The force contact area is large, which reduces the possibility of stress concentration in the material; and, for materials of different sizes and weights, the suction force can be changed by controlling the suction structure to meet the lifting needs of different materials, thereby improving the adaptability of the feeding device to different materials; and compared with the method of clamping materials with pliers in the prior art, the feeding device of the present application eliminates the operation of adjusting the position of the clamp and extending the clamp part into the bottom of the material, and only needs to drive the suction structure to the top of the material through the lifting structure, which greatly improves the feeding efficiency and helps the continuity of the feeding work.

[0017] 2. As a preferred embodiment of the present application, an air suction cavity is formed between the mounting seat and the sponge suction plate to connect the air extraction hole and the material suction hole, and the mounting seat is provided with a one-way valve corresponding to the material suction hole, and the one-way valve is configured to allow the material suction hole to conduct the outside atmosphere to the air suction cavity in a one-way manner. With such an arrangement, when the suction structure sucks the material suction structure, the air in the material suction hole is discharged through the suction cavity and the air extraction hole in turn, and the negative pressure zone in the sponge suction plate is gradually formed and can provide a stable lifting force for the material; and because the one-way valve is provided, air cannot be transmitted from the air suction cavity to the material suction hole, which helps to maintain the maintenance time of the negative pressure zone in the sponge suction plate, and avoids the air suction cavity from transmitting air to the material suction hole to affect the negative pressure suction force of the negative pressure zone on the material, thereby providing a guarantee for the material suction structure to absorb the material stably.

[0018] 3. As a preferred embodiment of the present application, the overall structure of the sponge suction tray is a circular or rectangular structure, and the plurality of suction holes are arranged in an array on the sponge suction tray. Arranging the suction holes in an array on the sponge suction tray can improve the uniformity of the suction structure on the material, avoid the occurrence of unstable material suction due to uneven suction, and thus reduce the possibility of the material falling due to unstable adsorption during the feeding process.

[0019] 4. As a preferred embodiment of the present application, an opening is provided at the bottom of the mounting cavity to provide a mounting position for the sponge suction plate, thereby reducing the difficulty of processing the suction structure; and a threaded hole is provided at the top of the mounting seat to realize a detachable connection between the mounting seat and the lifting structure, thereby facilitating replacement of the suction structure according to feeding requirements or other reasons. For example, when the material to be loaded is large in size and heavy in weight, the mounting seat can be removed from the lifting structure and replaced with a sponge suction plate with a larger size, thereby providing greater suction to the material; in addition, the exhaust hole is provided on the side of the mounting seat, which reduces the space occupied at the top and bottom of the mounting seat, optimizes the spatial configuration of the feeding device, and contributes to the flattening of the feeding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 This is a structural schematic diagram of a part of the structure of a cutting machine in one implementation mode of the present application;

[0022] Figure 2 This is a front view of the lower suction structure according to an embodiment of the present application.

[0023] List of reference numerals:

[0024] 1 fuselage;

[0025] 2 gantry;

[0026] 3 cylinders, 31 piston rods;

[0027] 4 suction structure, 41 mounting seat, 411 air extraction hole, 412 one-way valve, 42 sponge suction plate, 421 suction hole;

[0028] 5 bearing bracket, 51 vertical plate, 52 horizontal plate;

[0029] 6 Inhalation cavity. DETAILED DESCRIPTION

[0030] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features in each embodiment may be combined with each other without conflict.

[0032] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0033] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0035] like Figure 1 , Figure 2 As shown, a feeding device of a material cutting machine, the material cutting machine includes a fuselage 1 and a gantry 2 movably arranged on the fuselage 1, the feeding device is installed on the gantry 2 and is used for transferring materials to the fuselage 1, and a tool for cutting materials is installed on the gantry 2. It is characterized in that the feeding device includes a suction structure, a lifting structure and a suction structure 4, the suction structure 4 is installed on the lifting structure so that it can move up and down under the drive of the lifting structure, the suction structure 4 includes a mounting seat 41 and a sponge suction plate 42 arranged on the mounting seat 41, the sponge suction plate 42 is provided with a plurality of suction holes 421, the mounting seat 41 is provided with an exhaust hole 411 connected to the plurality of suction holes 421, the suction structure is connected to the exhaust hole 411, so that the suction structure can suck through the suction hole 421 to adsorb the material on the sponge suction plate 42.

[0036] The feeding device of the cutting machine of the present application includes a suction structure, a lifting structure and a suction structure 4. When the material needs to be transported, the feeding device is driven by the gantry 2 to move above the material, and then the lifting structure drives the suction structure 4 to move downward until the sponge suction plate 42 abuts against the top surface of the material, and then the air in the suction hole 421 is extracted by the suction structure. As the air in the suction hole 421 gradually decreases, its internal pressure gradually increases, and the sponge suction plate 42 is deformed toward the inside of the suction hole 421, and a plurality of negative pressure areas are formed between the material and the sponge suction plate 42. , so that the material receives an upward suction force, and the material is lifted by the suction force formed by the negative pressure area, so that the material moves in the horizontal and vertical directions under the drive of the gantry 2 and the lifting structure. When the material reaches the upper part of the preset position under the drive of the gantry 2, it is lowered to the fuselage 1 under the drive of the lifting structure, thereby completing the material loading work; the entire loading process does not require manual assistance, and mechanical equipment can be used to complete the material transfer, and the travel trajectory of the loading device can be preset in advance to achieve accurate judgment of the material lowering position, eliminating the operation of accurately aligning the material lowering position, It helps to improve the continuity of the feeding process and greatly improves the feeding efficiency. In addition, since the entire feeding process is completed by the feeding device, the material will not touch the other components of the cutting machine due to human factors during the transportation process, which helps to improve the feeding stability of the material and further provides a guarantee for the continuity of feeding. Furthermore, the present application uses a suction structure to extract the air in the suction hole 421 and form a negative pressure zone, and the suction force of the negative pressure zone on the material is used to lift the material. Compared with the traditional technology of clamping the material by clamps or other structures, the material and the sponge suction plate in the present application are The stress contact area between 42 is large, which reduces the possibility of stress concentration in the material; and, for materials of different sizes and weights, the suction force can be changed by controlling the suction structure to meet the lifting needs of different materials, thereby improving the adaptability of the feeding device to different materials; and compared with the method of clamping materials with pliers in the prior art, the feeding device of the present application eliminates the operation of adjusting the position of the clamp and extending the clamp part into the bottom of the material, and only needs to drive the suction structure 4 to the top of the material through the lifting structure, which greatly improves the feeding efficiency and helps the continuity of the feeding work.

[0037] The present application does not limit the structural form of the suction hole 421. In one embodiment, the suction hole 421 has a conical structure and the cone head is positioned close to the side of the exhaust hole 411; in another embodiment, the suction hole 421 has a cylindrical structure.

[0038] As a preferred implementation of the present application, Figure 1 , Figure 2As shown, the mounting seat 41 and the sponge suction plate 42 form an air suction chamber 6 connecting the exhaust hole 411 and the suction hole 421, and the mounting seat 41 is provided with a one-way valve 412 corresponding to the suction hole 421 one by one, and the one-way valve 412 is configured to allow the suction hole 421 to conduct external atmosphere to the air suction chamber 6 in a one-way manner.

[0039] By such arrangement, when the suction structure is sucking the suction structure 4, the air in the suction hole 421 is discharged through the suction structure after passing through the suction chamber 6 and the suction hole 411 in sequence, and the negative pressure zone in the sponge suction disc 42 is gradually formed and can provide a stable lifting force for the material; and since the one-way valve 412 is provided, air cannot be transmitted from the suction chamber 6 to the suction hole 421, which helps to maintain the maintenance time of the negative pressure zone in the sponge suction disc 42, and avoids the suction chamber 6 from transmitting air to the suction hole 421 to affect the negative pressure suction force of the negative pressure zone on the material, thereby providing a guarantee for the stable absorption of the material by the suction structure 4.

[0040] As a preferred embodiment of the present embodiment, the one-way valve 412 includes a valve housing, a valve core, and a spring disposed between the valve housing and the valve core. The valve core can open the suction hole 421 and compress the spring so that the suction hole 421 is connected to the air extraction hole 411. The spring can drive the valve core to reset toward the position of closing the suction hole 421. In this way, when the suction structure sucks the air in the suction hole 421, the valve core opens the suction hole 421, and the air in the suction hole 421 is gradually reduced under the suction of the suction structure to form a negative pressure zone in the sponge suction plate 42; when the feeding work is completed, it is necessary to release the suction force on the material so as to release the material. At this time, the force applied to the valve core can be cancelled, and the valve core closes the suction hole 421 under the elastic force of the spring. At this time, under the action of the external air pressure, air is gradually squeezed into the suction hole 421, and the negative pressure zone disappears, thereby canceling the suction force on the material. That is, in this embodiment, by providing a valve core and a spring, the difficulty of operating the one-way valve 412 is reduced. After the feeding work is completed, the staff does not need to manually operate the valve core to reset it to the position of closing the suction hole 421, which reduces the staff's work intensity and helps the continuous process of the feeding work.

[0041] As a preferred implementation of the present application, Figure 2As shown, the overall structure of the sponge suction disc 42 is a circular or rectangular structure, and the multiple suction holes 421 are arranged in an array on the sponge suction disc 42. Arranging the suction holes 421 in an array on the sponge suction disc 42 can improve the uniformity of the suction of the material by the suction structure 4, avoid the occurrence of unstable material suction due to uneven suction, and thus reduce the possibility of the material falling due to unstable adsorption during the loading process. Regarding the array arrangement of the suction holes 421 in this embodiment, when the sponge suction disc 42 is a circular structure, at least part of the multiple suction holes 421 are spaced apart on a circumferential line that is co-centered with the sponge suction disc 42; when the sponge suction disc 42 is a rectangular structure, the multiple suction holes 421 are spaced apart along the length direction of the rectangular structure and form a linear suction row, and the multiple suction rows are spaced apart along the width direction of the rectangular structure.

[0042] As a preferred implementation of the present application, Figure 2 As shown, the mounting seat 41 is provided with a mounting cavity, the bottom of the mounting cavity is open, the sponge suction disc 42 is installed at the opening, the top of the mounting seat 41 is provided with a threaded hole, the lifting structure is threadedly connected to the threaded hole, and the air extraction hole 411 is provided on the side of the mounting seat 41. By providing an opening at the bottom of the mounting cavity, a mounting position is provided for the sponge suction disc 42, which reduces the processing difficulty of the suction structure 4; and the threaded hole is provided at the top of the mounting seat 41, so that the mounting seat 41 and the lifting structure are detachably connected, so that it is convenient to replace the suction structure 4 according to the feeding demand or other reasons. For example, when the material to be loaded is large in size and heavy in weight, the mounting seat 41 can be removed from the lifting structure and then replaced with a sponge suction disc 42 with a larger size, so as to provide greater suction to the material; in addition, the air extraction hole 411 is provided on the side of the mounting seat 41, which reduces the occupation of the top and bottom space of the mounting seat 41, optimizes the spatial configuration of the feeding device, and helps to flatten the feeding device.

[0043] As a preferred implementation of the present application, Figure 1 , Figure 2 As shown, the lifting structure is set as a cylinder 3, and the mounting seat 41 is connected to the piston rod 31 of the cylinder 3. The reciprocating motion of the piston rod 31 drives the mounting seat 41 to rise and fall, which helps to improve the lifting efficiency of the lifting structure, and the reciprocating motion stroke of the piston rod 31 is fixed compared to the cylinder 3, so that the stroke of the suction structure 4 driven by the lifting structure is also fixed, avoiding the possibility of the suction structure 4 being offset during the movement, thereby improving the feeding accuracy.

[0044] The present application does not limit the structural form of the lifting structure. In another embodiment, the lifting structure includes a motor, a rotating gear and a lifting hinge mounted on the rotating gear. The lifting hinge is also mounted on the suction structure 4. The motor drives the rotating gear to rotate, and the lifting hinge is driven to rise or fall by controlling the rotation direction of the rotating gear, thereby realizing the lifting or lowering of the suction structure 4.

[0045] As a preferred implementation of the present application, Figure 1 As shown, it also includes a bearing bracket 5, which is fixedly mounted on the side of the gantry 2, and the lifting structure is mounted on the bearing bracket 5. The bearing bracket 5 provides an installation position for installing the lifting structure, and the bearing bracket 5 is fixedly mounted on the side of the gantry 2, which can reduce the interference of the bearing bracket 5 and the lifting structure mounted on the bearing bracket 5 on the material transportation, and provide sufficient loading space for the material loading; in addition, when assembling the bearing bracket 5, since the bearing bracket 5 is installed on the side of the gantry 2, it is convenient for the assemblers to assemble on the side of the cutting machine, reducing the restrictions of the fuselage 1 on the installation process of the bearing bracket 5, which helps to improve the assembly efficiency of the loading device.

[0046] As a preferred embodiment of this implementation, Figure 1 As shown, along the length direction of the gantry 2, a plurality of the feeding devices are installed at intervals on the bearing bracket 5. By setting a plurality of feeding devices, it is possible to feed a plurality of materials at the same time, which greatly improves the feeding efficiency to the cutting machine. When the cutting machine can meet the requirements of cutting a plurality of materials at the same time, the working efficiency of the cutting machine is improved. In addition, if the transported material is large in volume and heavy in weight, a plurality of feeding devices can be used to suck and feed a single large-volume material together, which improves the material transportation capacity of the feeding device.

[0047] This embodiment does not limit the structural form of the supporting bracket 5, and it can adopt any one of the following embodiments:

[0048] Embodiment 1: Figure 1 As shown, the support bracket 5 is constructed as a U-shaped structure extending in the horizontal direction, and both ends of the support bracket 5 are connected to the gantry 2. Such an arrangement increases the connection strength between the support bracket 5 and the gantry 2, so that the gantry 2 supports the support bracket 5 more evenly, and avoids the occurrence of the deviation phenomenon of the support bracket 5 due to uneven force.

[0049] Embodiment 2: Figure 1As shown, the bearing bracket 5 is installed with an L-shaped seat body, and the L-shaped seat body includes a vertical plate 51 and a horizontal plate 52 welded together, the vertical plate 51 is welded to the bearing bracket 5, and the lifting structure is installed on the horizontal plate 52. By setting the horizontal plate 52, the lifting structure plays a supporting role, so that the lifting structure can be more firmly fixed on the bearing bracket 5, and the vertical plate 51 is welded to the bearing bracket 5, which improves the connection strength between the L-shaped seat body and the bearing bracket 5, which helps to improve the stability of the lifting structure.

[0050] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0051] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0052] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A feeding device of a cutting machine, the cutting machine comprises a machine body and a gantry movably arranged on the machine body, the feeding device is installed on the gantry and used to transfer materials to the machine body, the gantry is equipped with a tool for cutting materials, characterized in that: The feeding device includes a suction structure, a lifting structure and a material suction structure. The material suction structure is installed on the lifting structure so that it can move up and down driven by the lifting structure. The material suction structure includes a mounting seat and a sponge suction plate arranged on the mounting seat. The sponge suction plate is provided with a plurality of suction holes. The mounting seat is provided with an exhaust hole connected to the plurality of suction holes. The suction structure is connected to the exhaust hole so that the suction structure can suck through the suction hole to adsorb the material onto the sponge suction plate.

2. The feeding device of the cutting machine according to claim 1, characterized in that: A suction cavity connecting the air extraction hole and the suction hole is formed between the mounting seat and the sponge suction plate, and a one-way valve corresponding to each of the suction holes is installed on the mounting seat, and the one-way valve is configured to allow the suction hole to conduct external atmosphere to the suction cavity in a one-way manner.

3. The feeding device of the cutting machine according to claim 2, characterized in that: The one-way valve includes a valve housing, a valve core, and a spring arranged between the valve housing and the valve core. The valve core can open the suction hole and compress the spring to connect the suction hole to the exhaust hole. The spring can drive the valve core to reset toward a position that closes the suction hole.

4. The feeding device of the cutting machine according to claim 1, characterized in that: The sponge suction tray is overall constructed as a circular or rectangular structure, and the plurality of suction holes are arranged in an array on the sponge suction tray.

5. The feeding device of the cutting machine according to claim 1, characterized in that: The mounting seat is provided with a mounting cavity, the bottom of the mounting cavity is open, the sponge suction plate is installed at the opening, the top of the mounting seat is provided with a threaded hole, the lifting structure is threadedly connected to the threaded hole, and the exhaust hole is provided on the side of the mounting seat.

6. The feeding device of the cutting machine according to claim 1, characterized in that: The lifting structure is configured as a cylinder, and the mounting seat is connected to a piston rod of the cylinder.

7. The feeding device of the cutting machine according to claim 1, characterized in that: It also includes a bearing bracket, which is fixedly installed on the side of the gantry, and the lifting structure is installed on the bearing bracket.

8. The feeding device of the cutting machine according to claim 7, characterized in that: Along the length direction of the gantry, a plurality of the feeding devices are installed on the bearing bracket at intervals.

9. The feeding device of the cutting machine according to claim 7, characterized in that: The bearing bracket is constructed as a U-shaped structure extending in the horizontal direction, and both ends of the bearing bracket are connected to the gantry.

10. The feeding device of the cutting machine according to claim 7, characterized in that: The bearing bracket is installed with an L-shaped seat body, and the L-shaped seat body includes a vertical plate and a horizontal plate welded together, the vertical plate is welded to the bearing bracket, and the lifting structure is installed on the horizontal plate.

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